<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>12_元素放大过度</title>
    <style>
        div {
            width: 100px;
            height: 100px;
            background-color: #f00;
            margin: 100px auto;
            /*变形过度时间 css3特性*/
            transition: 10s;
        }
        div:hover {
            background-color: #0aa1ed;
            /*放大scale 旋转rotate css3*/
            transform: scale(2) rotate(360deg);
            border-radius: 50px;
        }
    </style>
</head>
<body>
    <div>

    </div>
</body>
</html>